53, Kunotsubo, Terado-cho, Muko, Kyoto, 617-0002 Japan
OMRON HEALTHCARE SINGAPORE PTE LTD.
438A Alexandra Road, #05-05/08, Alexandra Technopark Singapore 119967
www.omron-healthcare.com.sg
ON/OFF
Thank you for purchasing OMRON Body Composition Monitor.
Before using this unit for the first time, please be sure to read this Instruction Manual
carefully and use the unit safely and properly.
Please keep this Instruction Manual at hand all the time for future reference.
5334083-5A
HBF-904-APBW.fm Page 1 Friday, October 28, 2011 5:00 PM
Before using the unit
HBF-358-BW
Notes on Safety
Body Composition Monitor
Please read instructions carefully before use, and keep this manual for future reference. Do not use this unit for
purposes other than described in this manual.
Contents
Before using the unit
Notes on Safety.................................................. 1
Useful Information ............................................. 2
Operating instructions
1. Know Your Unit ............................................. 4
2. Inserting and Replacing the Batteries ........ 4
3. Setting and Storing Personal Data .............. 5
Notes on Safety
Symbols and definitions are as follows:
Danger:
Warning:
Caution:
Improper use may cause danger resulting in death or serious injury.
Improper use may result in possible death or serious injury.
Improper use may result in injury or property damage.
4. Taking a Measurement ................................. 7
• Never use this unit in combination with medical
electronic devices such as:
(1) Medical electronic implants such as pacemakers.
(2) Electronic life support systems such as an
artificial heart/lung.
(3) Portable electronic medical devices such as an
electrocardiograph.
This unit could cause these devices to malfunction,
posing a considerable health risk to users of these
devices.
Warning:
• Never start weight reduction or exercise therapy
without the instructions of a doctor or specialist.
• Do not use the unit on slippery surfaces, such as a
wet floor.
• Keep the unit out of the reach of young children.
• Do not jump onto the unit, or hop up and down on
the unit.
• Do not use this unit when your body and/or feet are
wet, such as after taking a bath.
• Stand on the main unit bare-footed. Attempting to
stand on it with socks on may cause you to slip and
result in injury.
• Do not step on the edge or display area of the main
unit.
• People with disabilities, or who are physically frail,
should always be assisted by another person when
using this unit. Use a handrail or so when stepping
on the unit.
• Do not use this unit to measure the body fat
percentage for people who is under 10 years or
above 81 years old.
• This unit can not display the visceral fat level for
people who is younger than 18 years old.
• Should battery fluid get into your eyes, rinse it with
plenty of clean water and consult a doctor
immediately.
Caution:
• This unit is intended for home use only. It is not
intended for professional use in hospitals or other
medical facilities. This unit does not support the
standards required for professional use.
• Do not disassemble, repair, or remodel the display
unit or the main unit.
• Do not use a cellular phone near the display unit or
the main unit.
• Take care when storing the display unit. Your
fingers may be trapped between the grip and the
main unit if you press it too strongly.
• Do not use batteries not specified for this unit. Do
not insert the batteries with the polarities in the
wrong direction.
• Replace worn batteries with new ones immediately.
• Do not dispose of batteries in fire.
• Should battery fluid get on your skin or clothing,
rinse it with plenty of clean water immediately.
• Remove the batteries from this unit when you are
not going to use it for a long period of time
(approximately three months or more).
• Do not use different types of batteries together.
• Do not use new and worn batteries together.
• Remove the display unit from main unit before
stepping on the unit. If you try to remove the display
unit while stepping on to the unit, you may lose your
balance and fall.
1
Daily activities
Waking up
Breakfast
Lunch
Taking a bath or
eating dinner
Going to bed
Recommended time
Recommended time
Recommended time
Recommended time
2 hours
2 hours
2 hours
Before going to bed and about 2
hours or more after dinner or bath
Before lunch and about 2 hours or
more after breakfast
After waking up
In the afternoon about 2 hours or
more after lunch and before taking
a bath or eating dinner
Avoid measurement immediately
after eating or bathing.
HBF-904-APBW.fm Page 2 Friday, October 28, 2011 5:00 PM
Useful Information
Principle of body composition calculation
Body fat has low electric conductivity
OMRON HBF-358-BW measures the body fat percentage by the Bioelectrical Impedance (BI) method. Muscles, blood
vessels and bones are body tissues with a high water content that conducts electricity easily. Body fat is tissue that has
little electric conductivity. The HBF-358-BW sends an extremely weak electrical current of 50 kHz and less than 500
through your body to determine the amount of fat tissue. This weak electrical current is not felt while operating the
HBF-358-BW.
In order for the scale to determine body composition, it uses the electrical impedance, along with your height,
weight, age and gender information to generate results based on OMRON’s data of body composition.
Measures the whole body to avoid the influence of fluctuations
During the course of a day, the amount of water in the body tends to shift to the lower limbs gradually. This is why
there is a tendency for the legs and ankles to swell in the evening or at night. The ratio of water in the upper body
and lower body is different in the morning and evening, and this means that the electrical impedance of the body
also varies. Since the HBF-358-BW uses electrodes for both hands and feet to take measurements, it can reduce
the influence of these fluctuations on measurement results.
Recommended measurement times
Understanding the normal changes in your body fat percentage can help prevent or reduce obesity. Being aware of
the times when the body fat percentages shift within your own daily schedule will assist you in obtaining an
accurate trending of your body fat. It is recommended to use this unit in the same environment and daily
circumstances. (See chart)
μ
A
2
Avoid taking measurements under the following conditions
If a measurement is made under these physical conditions, the estimated body fat percentage may differ
significantly from the actual one because the water content in the body is changing.
Avoid taking measurements:
- immediately after vigorous exercise
Please wait for 2 hours or more
- after a bath or sauna
- after drinking alcohol
- after drinking lots of water
- after eating a meal
Sample Visceral Fat
(MRI image)
Sample Subcutaneous
Fat (MRI image)
HBF-904-APBW.fm Page 3 Friday, October 28, 2011 5:00 PM
What is BMI (Body Mass Index)?
BMI uses the following simple formula to indicate the ratio between weight and height of a person.
BMI = weight (kg) / height (m) / height (m)
The OMRON HBF-358-BW uses the height information stored in your personal profile number or when entering
information in the Guest Mode to calculate your BMI classification.
If the fat level revealed by BMI is higher than the international standard, there is an increased likelihood of common
diseases. However, not all types of fat can be revealed by BMI.
What is RESTING METABOLISM?
Regardless of your activity level, a minimum level of energy is required to sustain the body’s everyday functions.
Resting metabolism, the amount of calories needed to supply the body with the minimum level of energy, differs
between individuals depending on variables such as age, weight, body composition, and energy expenditure.
What is BODY AGE?
Body age is based on your resting metabolism. Body age is calculated by using your weight and body fat
percentage to produce a guide to judge whether your body age is above or below the average for your actual age.
To know your body age is useful to improve your health condition.
What is Body Fat Percentage?
Body fat percentage refers to the amount of body fat mass in regards to the total body weight expressed as a
percentage.
Body fat percentage (%) = {Body fat mass (kg) / Body weight (kg)} × 100
Our device uses BI method to estimate your body fat percentage.
Depending on where fat is distributed in the body, it is classified as visceral fat or subcutaneous fat.
Useful Information
What is Visceral Fat Level?
Visceral fat = fat surrounding internal organs
Too much visceral fat is thought to be closely linked to increased levels of fat in the
bloodstream, which may lead to conditions such as high cholesterol, heart disease and
type 2 diabetes. In order to prevent or improve conditions of common diseases, it is
important to try and reduce visceral fat levels to an acceptable level. People with high
visceral fat levels tend to have large stomachs. However, this is not always the case and
high visceral fat levels can lead to metabolically obese. Metabolically obese (visceral
obesity with normal weight) represents fat levels that are higher than average, even if a
person’s weight is at or below the standard for their height.
What is Subcutaneous Fat?
Subcutaneous fat = fat below the skin
Subcutaneous fat not only accumulates around the stomach but also around the upper
arms, hips and thighs, and can cause a distortion of the body's proportions. Although not
directly linked to increased risk of disease, it is thought to increase pressure on the heart
and other complications. Subcutaneous fat is not displayed in this unit, but is included in
the body fat percentage.
The reason calculated results may differ from actual body fat percentage
The body fat percentage measured by this unit may significantly differ from the actual body fat percentage in
the following situations:
Elderly people / People with a fever / Body builders or highly trained athletes / Patients undergoing dialysis /
Patients with osteoporosis who have very low bone density / Children in growth stage / Pregnant women /
People with swelling
These differences may be related to changing ratios of body fluid and/or body composition.
3
ON/OFF
Grip Electrodes
Power Switch
Display
Cord
Display Unit Holder
USER Button
GUEST Button
SET/MODE Button
Up/Down Buttons
Foot Electrodes
Heel Electrodes
Max Weight 135kg
Display Unit
Main Unit (Measurement Platform)
Front View
Buttons
Ta b
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Operating instructions
1.Know Your Unit
2.Inserting and Replacing the Batteries
1. Open the battery cover on the back of
the main unit.
1)
Press the tab of the battery cover to
release it.
2)Pull it up as shown.
2. Install the batteries in correct polarity
as marked inside the battery
compartment.
3. Close the battery cover.
Battery Life and Replacement
When the low battery indicator () appears,
replace all four batteries with new ones.
Items stored in memory are retained even if the
batteries are removed.
• Replace the batteries after turning off the power.
• Disposal of used batteries should be carried out
in accordance with the national regulations for
the disposal of batteries.
• Four AA batteries will last approximately 1 year
(when measurements are made four times a
day).
• Because the supplied batteries are for trial use
only, they may have a shorter life.
4
After all the settings are
displayed for your confirmation,
“0.0 kg” appears on the display.
This completes the setting.
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3.Setting and Storing Personal Data
For the measurement of body fat percentage and visceral fat level, it is necessary to set your personal data (age,
gender, height).
1. Turn on the power.
“CAL” blinks on the
display, then the
display changes to
“0.0 kg”.
* Wait until “0.0 kg” is displayed.
2. Press the USER
button to select
your personal
profile number.
1)
The selected
number appears
on the display.
2)Press the SET/
MODE button to
confirm.
Then the default
age setting blinks
on the display.
3. [TO SET THE AGE]
Setting range: 10 to 80 years old
1)Press theor
button to
adjust the age.
2)Press the SET/
MODE button to
confirm.
Then the gender
icons blink on the
display.
* The age can not be updated automatically.
Please update the age after your every
year's birthday. Measurement can not be
taken accurately if age is not set correctly.
4. [TO SET THE GENDER AND
HEIGHT]
Set the gender (MALE) or (FEMALE) and
height in the same way.
■ You cannot set personal set data in the following conditions. Please re-register
personal data information (Refer to Pg 5).
• If no operation for more than five minutes when setting the data, the power will automatically switch off.
• If the power goes off while you are making changes.
5
Changing the Personal Data
1. Turn on the power.
“CAL” blinks on the display, then the display
changes to “0.0 kg”.
Wait until “0.0 kg” appears on the display.
2. Press the USER button to select
your personal profile number.
1)
Your number flashes one time on the
display.
2)Press the SET/
MODE button
to confirm.
Then the
selected age
setting blinks
on the display.
3. With theorbutton, modify the
selected item, followed by pressing
SET/MODE button. The display will
change in order of age, gender and
height.
Deleting the Personal Data
1. Turn on the Power.
“CAL” blinks on the display, then the display
changes to “0.0 kg”.
Wait until “0.0 kg” appears on the display.
2. Press the USER button to select
your personal profile number.
1)
Your number flashes one time on the
display.
2)Press the SET/
MODE button
to confirm.
Then the
selected age
setting blinks
on the display.
3. Delete the personal data.
Press the GUEST
button for more
than two seconds.
“Clr” will appear on
the display and the
personal data are
deleted from memory.
Power Switch
The power will automatically switch off in the following conditions:
1. If the monitor is not used within one minute of “0.0 kg” appearing on the display.
2. If no information is entered for 5 minutes when entering personal data.
3. If the monitor is not used for 5 minutes after the measurement results are displayed.
4. Five (5) minutes after the result is displayed when measuring weight only.
HBF-904-APBW.fm Page 6 Friday, October 28, 2011 5:00 PM
3.Setting and Storing Personal Data
6
The display will show your weight and then the
weight result will blink twice.
The unit will then start to measure your body fat
percentage, visceral fat level and so on.
The indicators in the measurement progress bar at
the bottom of the display will gradually appear,
from left to right.
HBF-904-APBW.fm Page 7 Friday, October 28, 2011 5:00 PM
4.Taking a Measurement
Measurement should be taken on a level and hard surface.
Please input your profile data before using the personal profile number button.
* If no input of personal data in advance, you can use "GUEST" button to take measurement.
1. Turn on the power.
“CAL” blinks on the
display, then the
display changes to “0.0
kg”.
* If you step onto the unit before “0.0 kg”
appears on the display, an error message
“Err” will appear.
2. When the “0.0 kg” is displayed, take
out the display unit.
Note:Do not take out the display unit until
“0.0 kg” appears on the display.
Otherwise, the weight of the display is
add to your body weight which causes
an incorrect result.
3. Select the personal profile number.
Press the USER button while holding the
display unit. Selected number will appear after
blinking once.
If the following display is indicated:
4. Start measurement.
Step on the main unit and place your feet
1)
on the foot electrodes with your weight
evenly distributed.
2)When “START” appears on the display,
extend your arms straight at a 90° angle
to your body.
Your personal data is not stored in the personal
profile number you have selected. Please see
Section 3 to store personal data.
If you do not have personal data
stored on the unit (GUEST
mode):
1) Press the GUEST button while
holding the display unit.
2) The GUEST indication “G” appears
on the display.
3) Set the personal data (age, gender,
and height). Read steps 3 through
4 in Section 3, Setting and Storing
Personal Data.
3)After the measurement
is complete, your
weight is displayed
again. At this point you
may step off the unit.
7
After measuring
your weight.
The arms are horizontally raised, and
the elbows are extended straight.
Extend your arms straight at a 90°
angle to your body.
Stand with your knees
and back straight and
look straight ahead.
Hold the display unit so that you can
see the display.
• Make sure each of your heels is
positioned on a heel electrode. Stand
with your weight evenly distributed on
the measurement platform.
Step on the main unit bare-footed.
90°
Heel Electrodes
(1)
(2)
(3)
Place your middle
fingers in the dent
at the back of the
grip electrodes.
Hold the inner grip
electrodes firmly with
your thumb and
index finger.
Hold the outer grip
electrodes with your
ring finger and small
finger.
Press your palms firmly on the grip
electrodes.
Postures to Avoid During Measurement
Arms too low or highDisplay facing upwardsKnees bentYour feet are not
correctly positioned
on the electrodes.
Correct Posture for Measurement
HBF-904-APBW.fm Page 8 Friday, October 28, 2011 5:00 PM
4.Taking a Measurement
HBF-358
Max Weight 135kg
ON/OFF
8
Body Fat Percentage
Body Fat Percentage
Classification
Visceral Fat Level
Visceral Fat Level
Classification
BMI
>
_
_
>
_
_
>
_
_
>
_
_
>
_
_
>
_
_
HBF-904-APBW.fm Page 9 Friday, October 28, 2011 5:00 PM
5. Check the measurement results.
Press the SET/MODE button to view the desired measurement results. The display changes with each press
of the SET/MODE button as follows: FAT -> VISCERAL FAT -> BMI -> RM -> BODY AGE -> WEIGHT (again)
4.Taking a Measurement
Interpreting the Body Fat Percentage Result
GenderAgeLow (–)Normal (0)High (+)Very High (++)
20 - 39
Female
40 - 59
60 - 79
20 - 39
Male
40 - 59
60 - 79
Based on NIH/WHO guidelines for BMI
Based on Gallagher et al., American Journal of Clinical Nutrition, Vol. 72, Sept. 2000
The above-mentioned indices refer to the values for obesity judgment proposed by the WHO, the World Health Organization.
Underweight
Normal
Overweight
Obese
60-70% of daily energy use is for resting metabolism
The total amount of energy used by the body in a typical day is as follows:
Resting metabolismEnergy required to maintain vital functions.
Energy used for daily activities such as
Daily activity metabolism
Diet-induced thermogenesisEnergy emitted after eating a meal.
commuting to work, household chores,
hobbies etc.
9
Body Age: 30Body Age: 25Body Age: 35
Weight (kg)
BMI
Body Fat Percentage (%)
Resting Metabolism (kcal)
8.458.458.45
0.220.2222.0
15.8
31.5
22.6
1230
1264
1179
Example:
Actual age: 30 years old
Height: 1.58 m
HBF-904-APBW.fm Page 10 Friday, October 28, 2011 5:00 PM
4.Taking a Measurement
The ratio of these is 60%-70% for resting metabolism, 20%-30% for daily activity, and 10% for diet induced
thermogenesis. This means that resting metabolism accounts for most of our daily energy consumption.
If our daily caloric intake exceeds the amount of energy required for these activities, the additional calories
can be stored as fat.
Calories
Calories
Diet-induced thermogenesis
Daily activity metabolism
Food
Resting metabolism
Body age varies according to Body composition and resting metabolism,
even if your height and weight is the same
The figures below shows some examples of body age.
The example on the left has a body age of 30, or average body composition for the actual age.
The example in the middle has a lower body fat percentage than average and higher resting metabolism,
which results in a body age of 25 that is younger than the actual age.
The example on the right has a higher body fat percentage than average and lower resting metabolism,
which results in a body age of 35 that is older than the actual age.
10
6. After confirmation of the results, turn off the power.
Note:If you forget to turn off the power, the unit will be turned off automatically after 5 minutes.
HBF-904-APBW.fm Page 11 Friday, October 28, 2011 5:00 PM
5.Measuring Weight Only
Take measurement directly, and do not take out the operation panel from the holder.
* It is not necessary to set personal data when measuring weight only.
1. Turn on the power.
“CAL” blinks on the
display, then the display
changes to “0.0 kg”.
* If you step onto the
unit before “0.0 kg”
appears on the
display, an error
message “Err” will
appear.
2. When the “0.0 kg” is displayed, step
onto the unit.
Note:Leave the display unit in the display
unit holder.
3. Check the measurement result.
Your weight is displayed and blinks twice to
indicate that measurement is completed.
Note:You can also check the measurement
result by taking out the display unit.
4. When the measurement is completed,
step down from the unit and turn off
the power.
6.Error Displays
Error DisplayCauseCorrection
Your palms or soles are not in firm
contact with the electrodes.
The posture for measurement is wrong or
the palms or soles are not in firm contact
with the electrodes.
Press your palms or soles firmly to the
electrodes, then measure. (Refer to Section 4.)
Measure without moving the hands or soles.
(Refer to Section 4.)
The palms or soles are too dry.
Values of body composition are out of
measurable range.
Abnormal operation.
You stepped on the unit before the
display indicated “0.0 kg”.
You moved the main unit before the
display indicated “0.0 kg”.
You moved your body while measuring
body weight.
Your weight is 150 kg or over.
Moisten the palms or soles with a wet towel,
then repeat measurement.
• Please ensure that age, gender and height
settings stored as personal data are correct
(see Setting Items in Section 9).
• The main unit cannot measure body
composition outside its measurement range,
even if the Age, Gender and Height settings
are correct. (Refer to Section 3).
Insert the batteries again and repeat
measurement.
If this error still occurs, consult your OMRON
service representative.
Step on the main unit after the display indicates
“0.0 kg”.
Do not move the main unit until the display
indicates “0.0 kg”.
Do not move while measuring body weight.
Body weight of 150 kg or over is out of the
measuring range of this unit. You cannot use
this unit.
11
HBF-904-APBW.fm Page 12 Friday, October 28, 2011 5:00 PM
Care and maintenance
7.Troubleshooting
ProblemCauseCorrection
0.0 kg is displayed even when you
step onto the unit, or the weight
value barely increases.
The value of body weight is
displayed abnormally high or low.
The body composition value is
displayed abnormally high or low.
The body composition values vary
widely for each measurements.
“” is displayed for
some of the results.
Nothing is displayed when the
power is turned on.
You want to measure your body
composition, but body composition
measurement does not start after
the weight measurement has been
displayed.
You stepped onto the unit before
0.0 kg was displayed.
Is the unit placed on a carpet or other
soft flooring?
Is the floor surface is uneven?
The soles of your feet, or whole body
are cold, causing poor blood
circulation.
The electrodes are extremely cold.
Feet are too dry.
This unit cannot measure body
composition outside its measurement
range, even if the height, gender and
birth date settings are correct.
For children under nine or people 81
years old or older: Only weight
and BMI are displayed.
For children over 10 and under 17
years old: All results except for
Visceral Fat Level and Body Age are
displayed.
For people over 18 to 80 years old: All
results are displayed.
Batteries are not inserted.
The polarities of batteries are not
aligned correctly.
The batteries are worn out.
A personal data has not been set, or
the UP/GUEST button was not
pressed (Neither a Personal ID
Number 1, 2, 3, 4, or Guest is
displayed.)
Wait until 0.0 kg is displayed before
stepping onto the unit.
Place the unit on a hard and level
floor.
Warm yourself up, then take a
measurement once you feel your
circulation is back to normal.
Place the unit in a warm room for a
few minutes, and then take a
measurement when the electrodes
no longer feel cold.
Slightly moisten the soles of your
feet with a damp towel and try
again.
Check the setting entered for your
personal data. Change the settings
if needed. Retake the
measurement. (Refer to Section 3.)
Insert the batteries.
(Refer to Section 2.)
Insert the batteries in correct
alignment. (Refer to Section 2.)
Replace all four batteries with
new ones. (Refer to Section 2.)
Enter personal data for a Personal
ID Number or use Guest mode.
(Refer to Section 3.)
12
ON/OFF
Ma
x
W
e
i
ght
13
5
kg
HBF-904-APBW.fm Page 13 Friday, October 28, 2011 5:00 PM
8.How to Take Care of and Store the Unit
How to Clean the Unit
• Always keep the unit clean before use.
• Wipe the main unit with a soft dry cloth.
If necessary, use a cloth moistened with water or detergent and squeeze it well before wiping the unit, then wipe
dry with a dry cloth.
• You can use rubbing alcohol to clean the electrodes, but do not use it on other parts of the unit.
• Do not use benzene or thinner, to clean the unit.
Care and Storage
• Store the display unit in the main unit as shown.
• When storing the display unit, be careful not to crease the cord.
• Do not store the unit in the following conditions:
- Humidity, where moisture or water may get into the unit
- High temperatures, direct sunlight or dusty places
- Places with the risk of sudden shocks or vibrations
- In places where chemicals are stored or where corrosive gas is present.
• Do not carry out repairs of any kind yourself. If a defect occurs, consult the OMRON distributor or Customer
Services as mentioned on the packaging.
13
HBF-904-APBW.fm Page 14 Friday, October 28, 2011 5:00 PM
Resting Metabolism:
Body Age:
Visceral Fat Level:
Body Fat Percentage Classification:
– (Low) / 0 (Normal) / + (High) / ++ (Very High) with 12 levels of Bar display
Visceral Fat Level Classification:
0 (Normal) / + (High) / ++ (Very High) with 9 levels of Bar display
*For children under 10 or people 81 years old or older: Only weight is displayed.
*For children over 9 and under 18 years old: All results except for Visceral Fat
Level and Body Age are displayed.
*For people over 17 to 80 years old: All results are displayed.
Age: 10 to 80 years old
Gender: Male/Female
*Measurement Units: kg (cm)
*When using Guest mode, personal data is entered at the time of measurement.
0.0 - 40.0 kg: ±400 g
40.0 - 135 kg: ±1 %
4 AA batteries (R6) (You may also use AA alkaline batteries (LR6))
Approximately 1 year (New manganese batteries are used with four measurements
a day when temperature is 23°C)
+5°C to +35°C, 30% to 85% RH
-20°C to +60°C, 10% to 95% RH, 700 hPa - 1060 hPa
Approximately 2.1 kg (including batteries)
Display Unit:
Main Unit:
Body Composition Monitor, 4 AA manganese batteries (R6), instruction manual
0 to 100 kg with an increment of 0.1 kg
Approx. 300 (W) × 35 (H) × 147 mm (D)
Approx. 303 (W) × 55 (H) × 327 mm (D)
100 to 135 kg with an increment of 0.2 kg
5.0 to 50.0% with an increment of 0.1%
385 to 3999 kcal with 1 kcal increments
18 to 80 years old with 1 year increments
30 levels with an increment of 1 level
14
Note:Subject to technical modification without prior notice.
Please read the instruction manual carefully before using the device.
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